S.C. Code Ann. § 46-17-200: Qualifications of board members.

The producers of a commodity board must be practical producers of the affected commodity and must be citizens and residents of this State, each of whom is and actually has been engaged in producing the affected commodity within the State for a period of one year and during that period has derived a substantial portion of his income from it. The qualification of members of the board as provided in this section shall continue during their terms of office.